361428947 has 4 divisors (see below), whose sum is σ = 394286136. Its totient is φ = 328571760.

The previous prime is 361428941. The next prime is 361428953. The reversal of 361428947 is 749824163.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (361428941) and next prime (361428953).

It is not a de Polignac number, because 361428947 - 2⁶ = 361428883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 361428898 and 361428907.

It is not an unprimeable number, because it can be changed into a prime (361428941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16428578 + ... + 16428599.

It is an arithmetic number, because the mean of its divisors is an integer number (98571534).

Almost surely, 2^361428947 is an apocalyptic number.

361428947 is a deficient number, since it is larger than the sum of its proper divisors (32857189).

361428947 is a wasteful number, since it uses less digits than its factorization.

361428947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32857188.

The product of its digits is 290304, while the sum is 44.

The square root of 361428947 is about 19011.2847277610. The cubic root of 361428947 is about 712.3186427513.

The spelling of 361428947 in words is "three hundred sixty-one million, four hundred twenty-eight thousand, nine hundred forty-seven".